* passing the --force argument
*/
- ref->update =
- !ref->deletion &&
- !is_null_sha1(ref->old_sha1);
-
- if (ref->update) {
- ref->nonfastforward =
- !has_sha1_file(ref->old_sha1)
- || !ref_newer(ref->new_sha1, ref->old_sha1);
-
- if (!prefixcmp(ref->name, "refs/tags/")) {
- ref->requires_force = 1;
- if (!force_ref_update) {
- ref->status = REF_STATUS_REJECT_ALREADY_EXISTS;
- continue;
- }
- } else if (ref->nonfastforward) {
- ref->requires_force = 1;
- if (!force_ref_update) {
- ref->status = REF_STATUS_REJECT_NONFASTFORWARD;
- continue;
- }
- }
+ if (!ref->deletion && !is_null_sha1(ref->old_sha1)) {
+ int why = 0; /* why would this push require --force? */
+
+ if (!prefixcmp(ref->name, "refs/tags/"))
+ why = REF_STATUS_REJECT_ALREADY_EXISTS;
+ else if (!has_sha1_file(ref->old_sha1))
+ why = REF_STATUS_REJECT_FETCH_FIRST;
+ else if (!lookup_commit_reference_gently(ref->old_sha1, 1) ||
+ !lookup_commit_reference_gently(ref->new_sha1, 1))
+ why = REF_STATUS_REJECT_NEEDS_FORCE;
+ else if (!ref_newer(ref->new_sha1, ref->old_sha1))
+ why = REF_STATUS_REJECT_NONFASTFORWARD;
+
+ if (!force_ref_update)
+ ref->status = why;
+ else if (why)
+ ref->forced_update = 1;
}
}
}
struct commit_list *list, *used;
int found = 0;
- /* Both new and old must be commit-ish and new is descendant of
+ /*
+ * Both new and old must be commit-ish and new is descendant of
* old. Otherwise we require --force.
*/
o = deref_tag(parse_object(old_sha1), NULL, 0);